| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,051 | 4,009 | 5,112 | |
| 2020 | R | 1,205 | 4,062 | 5,363 | |
| 2016 | R | 1,042 | 3,612 | 4,779 | |
| 2012 | R | 1,403 | 3,247 | 4,718 | |
| 2008 | R | 1,543 | 3,336 | 4,941 | |
| 2004 | R | 1,491 | 3,242 | 4,754 | |
| 2000 | R | 1,496 | 2,646 | 4,187 | |
| 1996 | R | 1,744 | 1,912 | 4,118 | |
| 1992 | D | 1,858 | 1,691 | 4,202 | |
| 1988 | R | 1,632 | 2,282 | 3,958 | |
| 1984 | R | 1,505 | 2,364 | 4,280 | |
| 1980 | D | 1,956 | 1,945 | 3,981 | |
| 1976 | D | 2,436 | 1,095 | 3,597 | |
| 1972 | R | 1,222 | 1,964 | 3,315 | |
| 1968 | R | 1,082 | 1,433 | 4,479 | |
| 1964 | D | 2,738 | 1,339 | 4,091 | |
| 1960 | D | 2,827 | 1,846 | 4,673 | |
| 1956 | D | 3,087 | 1,480 | 4,585 | |
| 1952 | D | 2,995 | 1,401 | 4,416 | |
| 1948 | D | 2,929 | 827 | 3,900 | |
| 1944 | D | 2,990 | 1,363 | 4,374 | |
| 1940 | D | 3,337 | 1,436 | 4,792 | |
| 1936 | D | 2,987 | 1,178 | 4,176 | |
| 1932 | D | 3,966 | 1,562 | 5,556 | |
| 1928 | R | 2,416 | 2,496 | 4,915 | |
| 1924 | D | 2,679 | 1,942 | 4,680 | |
| 1920 | D | 3,292 | 2,663 | 6,010 | |
| 1916 | D | 2,051 | 1,671 | 3,781 | |
| 1912 | D | 1,482 | 1,435 | 3,166 | |
| 1908 | D | 1,908 | 1,555 | 3,498 | |
| 1904 | D | 1,671 | 1,589 | 3,330 | |
| 1900 | D | 1,868 | 1,825 | 3,727 | |
| 1896 | R | 1,707 | 1,793 | 3,640 | |
| 1892 | D | 1,587 | 1,406 | 3,186 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Todd County's 2024 presidential margin of R+57.9 reflects a broader rural realignment across western Kentucky, where small-town agricultural communities have shifted decisively toward Republican candidates over the past two decades.
The unraveling was not abrupt. The Democratic margin in Todd County peaked at fifty-four points in 1948; it narrowed steadily over the late twentieth century. The 1996 election delivered the county to the Republican party for the first time in many years, by a margin of four points. By 2024, the margin had widened further.
The economic and demographic context is severe. Todd County's median household income of $61,103 is among the lowest of any county in the United States; 21% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Barren County and Larue County.